Space and Astronomy Megathread (MERGED) - Part 1


www.space.com

Bright green fireball lights up the skies over Portugal and Spain (photos)

The bright green fireball has stunned the internet and social media users.
www.space.com www.space.com
The bright blue/green flash of the fireball indicates the burning of magnesium. One type of meteorite known to bear magnesium are the "pallasites," which contain large olive-green crystals that are a form of magnesium-iron silicate called olivine.

Though the origins of pallasites are somewhat mysterious, scientists think they could form when asteroids melt, with denser material sinking to their cores. Pallasites could come from the boundaries between an asteroid's metallic core and its silicate, olivine-rich mantle.
Click to expand...
 
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Epsilon Tauri: Star with Planet
Image Credit & Copyright: Reg Pratt
 
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CG4: The Globule and the Galaxy
Image Credit: CTIO, NOIRLab, DOE, NSF, AURA; Processing: T. A. Rector (U. Alaska Anchorage/NSF’s NOIRLab), D. de Martin & M. Zamani (NSF’s NOIRLab)
 
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Green Aurora over Sweden
Image Credit & Copyright: Göran Strand
 
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Unraveling NGC 3169
Image Credit & Copyright: Christophe Vergnes, Aziz Kaeouach
 
www.google.com

Webb detects most distant black hole merger to date

An international team of astronomers have used the NASA/ESA/CSA James Webb Space Telescope to find evidence for an ongoing merger of two galaxies and their massive black holes when the universe was only 740 million years old. This marks the most distant detection of a black hole merger ever...
www.google.com www.google.com
 
M78_Euclid_960.jpg





M78 from the Euclid Space Telescope
Image Credit & License: ESA, Euclid, Euclid Consortium, NASA; Processing: J.-C. Cuillandre (CEA Paris-Saclay), G. Anselmi
 
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A Solar Filament Erupts
Image Credit: NASA's GSFC, SDO AIA Team
 
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Chamaeleon I Molecular Cloud
Image Credit & Copyright: Amiel Contuliano
 
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Manicouagan Impact Crater from Space
Image Credit: NASA, International Space Station Expedition 59
 
StairwayToMilkyway_Marcin_1080_annotated.jpg





Stairway to the Milky Way
Image Credit & Copyright: Marcin Rosadziński
 
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A Lunar Corona over Paris
Image Credit & Copyright: Valter Binotto
 
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The Nebulous Realm of WR 134
Image Credit & Copyright: Xin Long
 
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